move GetDashboardUIDById out of sqlstore and into dashboard service (#49170)

* sqlstore: move GetDashboardUIDById to dashboard service
* winding change through the rest of the codebase

pkg/services/dashboards/database/database.go

@@ -889,3 +889,18 @@ func (d *DashboardStore) GetDashboard(ctx context.Context, query *models.GetDash
 		return nil
 	})
 }
+
+func (d *DashboardStore) GetDashboardUIDById(ctx context.Context, query *models.GetDashboardRefByIdQuery) error {
+	return d.sqlStore.WithDbSession(ctx, func(sess *sqlstore.DBSession) error {
+		var rawSQL = `SELECT uid, slug from dashboard WHERE Id=?`
+		us := &models.DashboardRef{}
+		exists, err := sess.SQL(rawSQL, query.Id).Get(us)
+		if err != nil {
+			return err
+		} else if !exists {
+			return models.ErrDashboardNotFound
+		}
+		query.Result = us
+		return nil
+	})
+}

pkg/services/dashboards/database/database_dashboard_test.go

@@ -109,6 +109,14 @@ func TestDashboardDataAccess(t *testing.T) {
 		require.False(t, query.Result.IsFolder)
 	})
 
+	t.Run("Should be able to get a dashboard UID by ID", func(t *testing.T) {
+		setup()
+		query := models.GetDashboardRefByIdQuery{Id: savedDash.Id}
+		err := dashboardStore.GetDashboardUIDById(context.Background(), &query)
+		require.NoError(t, err)
+		require.Equal(t, query.Result.Uid, savedDash.Uid)
+	})
+
 	t.Run("Shouldn't be able to get a dashboard with just an OrgID", func(t *testing.T) {
 		setup()
 		query := models.GetDashboardQuery{